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EXTENSION eToys-Hrs ssstrg ro ALL' WHOM ITMAY' ooNoErmi y l y Be it known thatI, JOHN'PER AM,of Rockton, Winnebago county, State of Illinois, have .invented certain new and useful Improvements n'vStove-Pipe Shelves; and I do hereby declare the following description and accompanying drawings Vare sniiicient toV enable-,any `person skilled in the'art or science to which it most nearly appertains to makeend'use my said invention or improvements without further invention or experiment.

` The nature of my invention and improvements consists in providing and constructing an improved metallic stove-pipe shelf, of" a peculiar 'shape orstyle, being open at one side,:attache`d"to a double adjustable collar, and moving loose1y-thereon by means of slides, slots, or grooves, sothat the shelf may he extended or elongated:-

on onel side` of the stovefpipevby means of drawing out the shelf on the-slides inquestiontill the stops `o yo` yengage with the, o'utsde of the cellar part B B C c .y -Thejshelf may also, in this manner, be entirely renioved.

from the pipe, by removing the stops o o and' drawing the shelf out through the saidgrooves. i Figure lisa perspective view of the'vshel AAA. and :collar B'B C c complete.` y Figure 2 is a. similar view of the collar B B C c 'detached. v A` 1 Figure 3 'are views of detachedsectionsl throughm` m, exhibiting the manner of working tlie slides A'A of vthe shelf, in or through the collar BB Cy c,liig.'2.

A A represent the shelf, B B C c the collar, and D are bolts and nuts or screws for adjusting and holding theAcoll'arn position on the pipe of the stove.

Similar letters of reference indietelike parts.

What I claim as my invention, and desire to secure by Letters Patent,'is`' v 1.A An improved metallic' extension stove-pipevsheli-, A A, constrnctedand arrangedwvith the extensiondevice, as shown',i made in one or. more parts, to operate substantially :is described* i i2. An 'improvedmetallic stove-pipe shelf, provided with and operating by means of groov'edor slidingways, to, allow of an extension of the size of the shelf by elongation orlater'al enlargement.-

The peculiar-shaped adjustable, grooved orslotteddcollar B B Cc, in two' parts, wheu'constru'cted and arranged to operatesubstantially as setforth, for the purpose described. l 4.

4'. In .combination with the foregoing,the screws or boltsand nuts D-D, and radial :mnsv and circular ribs,

substantially as shown, with'gnard-stops o'o of the shelfA A, whenltlre whole is constructed and'arranged `substantially as herein set forth and described, to operate as specified. v- A Y f JOHN PERHAM. `liitnesse's: o

J. C. CONVERSE,

S. A. JOHNSON.' 

